Niner MCR 9 RDO 4-STAR Shimano GRX 800 2x

Name: Niner MCR 9 RDO 4-STAR Shimano GRX 800 2x
Brand: Niner

2021 RoadGravel Manufacturer page

Last known price: $6,000

Prices shown first for United States
Travel: 40 / 50 mm Fork / rear shock
Wheels: 700c
Drivetrain: 2 × 11 32–47t / 11–34t
Gear range: 454%
Weight: 11.57 kg 25.5 lb · Reference configuration not specified
Frame: Carbon
Brakes: Hydraulic disc

Sizes

Size guide

53cm
56cm
59cm

The manufacturer did not publish rider heights for these sizes.

Components

20 of 21 identified

Parts found in a manufacturer catalog show their brand, model and key numbers, and the steps show how precisely they are identified: brand, series, model, or the exact product. The info button has every detail and the text the manufacturer published.

Frame and fork

1 part

Frame

NINER RDO CARBON FIBER: 50MM CVA SUSPENSION; FORGED ALLOY LINKS; ENDURO MAX PIVOT BEARINGS; INTERNAL CABLE ROUTING; INTEGRATED FENDER; BOTTLE, BAG, AND RACK MOUNTS; FLAT MOUNT; 12X142 THRU AXLE Not identified

Suspension

2 parts

Fork
- Fox 32
Rear shock
- X-Fusion

Drivetrain

7 parts

Bottom bracket
- Easton
Cassette
- Shimano CS-HG800-11 11 speeds 11–34t
CS-HG800-11
Chain
- Shimano CN-HG601
CN-HG601
Crankset
- Easton
Front derailleur
- Shimano Ultegra FD-R8000 2 speeds
FD-R8000
Rear derailleur
- Shimano RD-RX800-GS
RD-RX800-GS
Shifters
- Shimano

Brakes

3 parts

Wheels and tires

2 parts

Cockpit and contact points

6 parts

Sizes and geometry

3 sizes

Rider-height ranges are not published for these sizes.

Size

Geometry not published

The manufacturer lists these sizes without frame measurements, so there is no drawing or geometry table.

Specifications

Frame and fork

Intended fit: Unisex
Frame material: Carbon
Bicycle weight: 11.57 kg

25.5 lb

Suspension

Suspension configuration: Full suspension
Front travel: 40 mm
Rear travel: 50 mm

Drivetrain

Derived by Bikelake

Front chainrings: 2
Smallest chainring: 32
Largest chainring: 47
Rear sprockets: 11
Smallest sprocket: 11
Largest sprocket: 34
Lowest gear: 27.3 in
Highest gear: 123.9 in

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Seatpost: Rigid seatpost
Shifting: Mechanical

Additional specifications

Bottom bracket standard: PF30
Fork spring: Air
Tire clearance: Maximum tire width: 50c
Tire width: 38c
Wheel material: Aluminum
Wheel size: 700c

Technical analysis

3 measures

How these figures sit among bicycles of the same class and model year. Context, not a ranking.

Lowest gear

27.3 gear inches

This value is within the central range for this class.

Cohort: Road / Gravel Model year: 2021
Sample: 668 bicycles with this information
Coverage: 86.3% of the class

Highest gear

123.9 gear inches

This value is within the central range for this class.

Cohort: Road / Gravel Model year: 2021
Sample: 668 bicycles with this information
Coverage: 86.3% of the class

Shifting

Mechanical

144 of 774 bicycles with this information use electronic shifting.

Cohort: Road / Gravel Model year: 2021
Sample: 774 bicycles with this information
Coverage: 100.0% of the class

Gearing

Estimated speeds at 80 rpm

Lowest gear: 10.5 km/h
Highest gear: 47.5 km/h

Total gear range 454%

Technical details and class reference

These speeds describe the gearing at the selected cadence, not how fast you can ride.
Calculated from published gear-inch values and their wheel-size assumptions.
These gearing values describe the bicycle, not a selected frame size.
A 100% range means one ratio; 500% means the highest ratio is five times the lowest.
For e-bikes, motor assistance cutoff is not represented.

Gear-inch range

Lower gear-inch values travel less distance per pedal revolution; higher values travel farther.

This bicycle: 27.3–123.9 gear inches
Class reference (p10–p90): 24.2–131.8 gear inches; The band runs from p10 for the lowest gear to p90 for the highest gear.

Cohort: Road / Gravel Model year: 2021
Lowest gear: 668 bicycles with this information, 86.3% of the class
Highest gear: 668 bicycles with this information, 86.3% of the class

Lineup changes

The published facts that differ across this family's builds and from the same model a year earlier. Missing information never counts as zero.

Differences across 2021 builds
Specification	This bicycle Niner MCR 9 RDO 4-STAR Shimano GRX 800 2x	Niner MCR 9 RDO 2-STAR SRAM Apex 1	Niner MCR 9 RDO 3-STAR SRAM Rival 1	Niner MCR 9 RDO 4-STAR Shimano GRX 800 1x	Niner MCR 9 RDO 5-STAR Shimano GRX 800 1x	Niner MCR 9 RDO 5-STAR Shimano GRX 800 2x
Frame
Bicycle weight	11.57 kg	12.16 kg	11.57 kg	11.57 kg	Not informed	10.75 kg
Drivetrain
Front chainrings	2	1	1	1	1	2
Smallest chainring	32	40	38	40	40	32
Largest chainring	47	40	38	40	40	47
Rear sprockets	11	11	12	11	11	11
Smallest sprocket	11	11	10	11	11	11
Largest sprocket	34	42	36	42	42	34
Lowest gear	27.3 in	27.6 in	30.6 in	27.6 in	27.6 in	27.3 in
Highest gear	123.9 in	105.5 in	110.2 in	105.5 in	105.5 in	123.9 in
Cockpit
Seatpost	Rigid seatpost	Rigid seatpost	Rigid seatpost	Dropper seatpost	Dropper seatpost	Rigid seatpost
Shifting	Mechanical	Mechanical	Electronic	Mechanical	Mechanical	Mechanical
Other specifications
Tire width	38c	40c	38c	38c	38c	38c